Electrical connectors – Having retainer or passageway for fluent material – Fluent material transmission line
Patent
1987-05-14
1988-11-01
McQuade, J. Patrick
Electrical connectors
Having retainer or passageway for fluent material
Fluent material transmission line
439827, H01R 300
Patent
active
047816074
ABSTRACT:
A pilot valve system including an electrical connector assembly for a subsurface safety valve operated by control fluid pressure from the surface including a pilot valve connected with the control fluid line to the subsurface safety valve and into the well production string immediately above the safety valve to bypass the control fluid pressure directly into the tubing string and dump the control fluid pressure from the subsurface safety valve into the tubing string directly above the valve to minimize the time delay between control fluid pressure reduction and the safety valve closure. The electrical connector assembly includes a male plug assembly for connection on the pilot valve and a female plug assembly mounted in a side pocket mandrel for the pilot valve, such plug assemblies including annular spaced insulated connector rings in the side pocket mandrel and annular spaced insulated spring-type conductors on the male plug assembly for engaging the female plug assembly connector rings when the pilot valve is installed in the side pocket mandrel. Also disclosed is a minimum backlash latch assembly for releasably locking the pilot valve, or other well tools, along a well bore in a receptacle such as a side pocket mandrel.
REFERENCES:
patent: 3753206 (1973-08-01), Busuttil et al.
patent: 4082410 (1978-04-01), Storck et al.
patent: 4117287 (1978-09-01), Walker et al.
patent: 4496203 (1985-01-01), Meadows
patent: 4537457 (1985-08-01), Davis, Jr. et al.
McQuade J. Patrick
Otis Engineering Corporation
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